Playing card holder



FIG. 1 is a top, front and left side perspective view of a playing card holder showing my new design;

FIG. 2 is a rear view of my new design;

FIG. 3 is a top view of my new design;

FIG. 4 is a front view of my new design;

FIG. 5 is a left side view of my new design; and

FIG. 6 is a bottom view of my new design. 

The ornamental design for a playing card holder, substantially as shown and described. 